Catheter tube



FIG. 1 is a perspective view of one embodiment of a device incorporating a catheter tube according to the present design; and,

FIG. 2 is a cross-section view of the catheter tube, taken along the line 2-2 of FIG. 1, according to the present design.

Elements shown in the drawings in the form of broken lines form no part of the claimed invention. For instance, the broken lines illustrating features of the device shown in FIG. 1 are merely provided for illustrating the environment in which the catheter tube is used and thereby represent unclaimed environmental subject matter illustrating the design in use and forming no part of the claim. 

CLAIM The ornamental design for a catheter tube, as shown and described. 